/**
*
* Copyright (c) 2011~2012 galaxy engine team.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*
*  Abstract:
*    
*
*  Author:
*    freecnjet (freecnjet@gmail.com)
*
*  Revision History:
*    Created on: 2012-03-04
*
*/

#ifndef _PARALLEL_H_
#define _PARALLEL_H_


__BEGIN_NAMESPACE

struct Runnable {
	virtual int Run( void* param ) = 0;
};

enum EThreadState {
	EThreadState_Init = 0,
	EThreadState_Running,
	EThreadState_Suspend
};


/************************************************************************/
/* Thread                                                               */
/************************************************************************/
class Thread {
public:
	typedef HANDLE NativeHandle;

private:
	Runnable*    m_run;
	void*        m_param;
	int*         m_ret;
	NativeHandle m_headle;
	EThreadState m_state;

public:
	Thread();
	~Thread();

	int Start(Runnable* fun, void* param=0, int* ret=0);
	bool Join( const unsigned int timeout=0 );
	bool Cancel();
	bool Suspend();
	bool Resume();

	NativeHandle GetHandle()const {
		return m_headle;
	}
	EThreadState GetState() const {
		return m_state;
	}
	Runnable* GetRunnable() const {
		return m_run;
	}
	void* GetParam() const {
		return m_param;
	}
	int* GetReturn() const {
		return m_ret;
	}
};



__END_NAMESPACE


#endif //~~